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packinheat2

undercoating

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Yeah I run in the snow and salt up here every year but its hard to tell... :stuned:I wash my frame and underbody about every week or so if the weather is permitting. I make sure to rinse the fender and frame of all the muddy and salt residue.

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I dont have it on my frame rails but my rockers have been undercoated for over 2 years now, there are a few minor places I need to touch up but other than that it has held up well.-Jordan-

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well I bought the undercoating and a gallon of acetone to try to prep everything good. Now I just need to find some free time to do it:lol: I'll let everyone know how it goes.

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Well I started my undercoating project yesterday. Everything went good but I didnt get hardly enough :duh: Now today it is raining, but what I got done looks good I will have to take some pictures when I get it all done.

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The rubberized kind from 3M is the best, but the price is high. It stays nice for a longer time and doesn't peel and get all over your hands of you bump it after a couple of years like the cheapo kind. I get just as good a result from just keeping the frame painted well. If a spot blisters out, I use a rust converter that changes the rust to a black primer, then touch up with more paint and it all looks like new. If you paint, just be sure to use Low Gloss Black, not flat. The semi and gloss black doesn't look OEM.Advance Auto parts sells a real nice Low Gloss Black. It matches the frame sheen perfectly.MoparMan is right. Keep the frame washed everytime you wash the truck. Dirt holds moisture, = RUST.

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Yes, there has been only a couple of instances where I have been able to bring myself to spend that kind of money for spray can undercoating. I did buy a special gun for spraying undercoating from the body shop supply store about 10 years ago. The undercoating comes in a gallon jug and is more affordable. I came out of that job looking blacker than the President. I have never used it again. I spent hours getting that stuff off of me. The spray cans are by far the easiest and cleanest way. The professional grade undercoating still wasn't as good as 3M. As you stated, it seems that everything that company makes is high quality. The 3M spray seems to cover as much per can as two of the others, so I really don't know if it is that big of a difference in cost in the end.Another thing. NEVER spray undercoating on a windy day. I bought a new truck once and did just that. The paint felt like sand paper, and I had to do a buff job on a truck that I owned for 3 days.I have had a couple of major screw ups with this stuff now that I think of it...Good luck with your project.Bob

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I came out of that job looking blacker than the President.

:lol: I was covered too, luckily because I lay blacktop for a living I have really good hand cleaner that takes everything off just like it were dirt.

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What kind of hand cleaner do you use. I need some. "Ol' blue" has been making me black...

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I use Joes hand cleaner, within the last year you can now buy it at O'Reillys but prior to that you had to get it through a dealer, so check out O'Rieillys. And for the pics I will try to remember to take some this weekend when Im putting the new shocks on.

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I didnt get the 3M kind but I have never found anything 3M that doesnt work good

Agreed!

--- Update to the previous post...

I wonder what Rino liner wound do? I see people camo out there trucks with it, it's got to be some kind of protection.

I've seen some trucks up here w Rhino Liner on the exterior. It looked pretty good actually. If one was to undercoat & do the bottom of the doors, rockers, that would have to be the best & longest protection.

Dave

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I knew a guy that claimed that he would spray the underside of his truck so often with WD-40. Im not that decitated :cookoo:

The real old timers used to spray there vehicles w used motor oil. (UMO) A farmer that I buy hay from has his original equipment from the 50's. he thins his UMO down w D2, just enough so it spays better. He does it every year after hay season is over. I heard storys of guys spraying there cars & driving down dust roads to make the UMO stick better!

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The auction companies (in this area anyway) that auction off used farm equipment do the same UMO and diesel mixed. It makes the dull paint look a little nicer. Just don't sit down on it... Yes I did.:doh:

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The auction companies (in this area anyway) that auction off used farm equipment do the same UMO and diesel mixed. It makes the dull paint look a little nicer. Just don't sit down on it... Yes I did.:doh:

I guess you'll make in impression where ever you go!:lol: Guys used to add a few oz of K1 to there soap & water of their older DD to boost the shine & to get into the cracks & such to help protect from the winter salt. Did you guys check out the record snow, NH, 31+ inches. Too late for them to undercoat the DD! Save

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I am not quite clear on this. Are you saying that they added K1 to the wash water when washing the truck?

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I am not quite clear on this. Are you saying that they added K1 to the wash water when washing the truck?

That was what I ment to write.

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The K1 would strip any wax of the truck, otherwise I would try that.

It's an oil. The wax I use says it can withstand acid rain so a lil K1 or D2 w 2-3 gal of wash soap & water? Aren't most wax products petroleum based? It's really to help fight the salt & road chemicals, if that doesn't take off wax! Just passing on old timer info is all. As far as new products go, I'm having nice results w the new wax a you dry products out on the market. Everyone I've tried works good. I still like to hand wax too, but these new products help enhance the shine. Dave

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